$OpenBSD: patch-inviz_num_c,v 1.1 2010/05/23 16:13:33 espie Exp $
--- inviz_num.c.orig	Sun May 23 18:11:00 2010
+++ inviz_num.c	Sun May 23 18:11:38 2010
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <ctype.h>
+#include <stdlib.h>
 #include "translate.h"
 
 extern char *prog;
@@ -30,7 +31,6 @@ int line;
     char mode = 'I';
     char outbuf[1000];
 
-    double strtod();
     unsigned long strtou();
 
     while (*str) {
